JPH113494A - Vehicle allocation managing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To quicken operation time till the selection of an allocation vehicle by providing a main storage device which read map data around an allocation vehicle destination based on a request for an allocation vehicle and executing route search of vehicles which exist in the read range of read map data by the read map data. SOLUTION: First, when a request for allocating a vehicle occurs, a central processor 8 reads map data that is around a vehicle allocation destination from a map database 10 to a main storage device 11. The processor 8 uses the read map data and executes route search for each vehicle with the vehicle location as a start point and a vehicle allocation location as a destination. As a result of route search, a vehicle which makes predictive time of travel along the recommended route the shortest is selected as an allocating vehicle. Because the read of map data which takes time the most in route search processing is needed only one time when an allocation vehicle is selected for one time, operation time till an allocation vehicle request is drastically reduced and also, the device 11 does not need a large size.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dispatch management system for managing business vehicles such as taxis and trucks and emergency vehicles such as patrol cars, fire trucks and security vehicles.

[0002]

2. Description of the Related Art Conventionally, various types of vehicle allocation management devices of this type have been proposed, and an example thereof will be described below with reference to the drawings. FIG. 5 is a block diagram showing an example of the configuration of a conventional vehicle management device. In the drawing, reference numeral 1 denotes an in-vehicle device, which is composed of a vehicle position detection device 2, a radio transmission device 3, and a transmission antenna 4, and includes a plurality of vehicle allocation candidate vehicles. It is installed in. Reference numeral 5 denotes a center device, which comprises a receiving antenna 6, a wireless receiving device 7, a central processing unit 8, a display device 9, and a map database 10. Here, the vehicle position information of the own vehicle is transmitted from the on-vehicle device 1 mounted on each vehicle, the transmitted vehicle position information is received by the center device 5, and the current position of each vehicle is managed. I have.

When a vehicle allocation request is issued, a route search is executed for all vehicle allocation candidate vehicles with each vehicle position as a departure point and a vehicle allocation destination position as a common destination. as a result,
The vehicle with the shortest scheduled travel time when traveling according to the recommended route is selected as a dispatch vehicle. FIG. 6 is a flowchart showing a vehicle allocation processing flow of the conventional vehicle allocation management device.

As described above, the map data including the positions of all the dispatching candidate vehicles and the destinations of the dispatching are read into the central processing unit 8 for each of the dispatching candidate vehicles, and the route search is sequentially performed to obtain the minimum scheduled travel time. The vehicle is temporarily determined as a vehicle to be dispatched, and the vehicle that has seen the most conditions at the time when the processing for all vehicle dispatch candidate vehicles is completed is determined as the vehicle to be dispatched. It is configured to select a dispatched vehicle that can arrive at the dispatch destination in the shortest time with higher accuracy than in the case of simply determining based on a straight line distance.

[0005]

However, in the above-mentioned conventional vehicle management device, it is necessary to execute a route search for all the candidate vehicles for dispatching, and further, it is necessary to read map data each time. There is a problem that the calculation time until is long.

An object of the present invention is to solve the above-mentioned conventional problems, and an object of the present invention is to provide an excellent dispatch management system capable of selecting dispatched vehicles with high accuracy in a short calculation time.

[0007]

A vehicle allocation management device according to the present invention includes a main storage device for reading map data near a vehicle allocation destination based on a vehicle allocation request, and a map data read range within the main storage device. By executing a route search based on the read map data for the vehicle located in the vehicle, the calculation time for selecting the vehicle to be dispatched is shortened.

According to the present invention, a main storage device is provided for reading the map data near the dispatch destination only once when a dispatch request is issued, and a route search based on the read map data is executed. Thus, a vehicle to be dispatched can be selected accurately with a short calculation time.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. Note that the same reference numerals are used for the same parts as the conventional one.

(Embodiment 1) FIG. 1 is a block diagram showing a configuration of a vehicle allocation management apparatus according to Embodiment 1 of the present invention. In FIG. , A transmission antenna 4 and is mounted on a plurality of vehicle allocation candidate vehicles. 6 is a receiving antenna, 7 is a wireless receiving device, 8 is a central processing unit, 9 is a display device,
Reference numeral 10 denotes a map database, 11 denotes a main storage device, and these constitute a center device 12. Here, the vehicle position information of the own vehicle is transmitted from the on-vehicle device 1 mounted on each vehicle, the transmitted vehicle position information is received by the center device 12, and the current position of each vehicle is managed. I have.

Next, the operation will be described. First, when a dispatch request is generated, the central processing unit 8 reads map data near the dispatch destination from the map database 10 to the main storage device 11. The central processing unit 8 uses the map data read into the main storage device 11 to execute a route search for each vehicle with the vehicle position as the departure point and the dispatch position as the destination. As a result of the route search, the vehicle with the shortest scheduled travel time along the recommended route is selected as the dispatch vehicle. FIG. 2 is an explanatory diagram of a map data reading range according to the first embodiment of the vehicle allocation management device of the present invention. For the vehicle allocation destination P, the map data shown in the map data reading range A is read from the map database 10. Each vehicle in the map data reading range A is read into the main storage device 11 and becomes a vehicle allocation candidate vehicle. The vehicle positions C ₁ and C ₂ are set as departure points and the vehicle allocation destination P is set as a destination. search is performed, 2 travel time along the recommended route is the shortest vehicle position C ₂
The car No. is selected as the dispatch vehicle. It should be noted that for a vehicle that is out of the reading range of the map data, the route search cannot be performed and the estimated travel time cannot be calculated. However, even if a distant vehicle is excluded, the estimated travel time is long, and thus the accuracy of the obtained dispatched vehicle selection is little affected.

FIG. 3 is a flowchart showing a vehicle allocation processing flow in the vehicle allocation management apparatus according to the first embodiment of the present invention. As is apparent from this processing flow, the map data reading processing is performed once after the vehicle allocation destination is determined. Just need.

As described above, according to the present embodiment, it is only necessary to read the map data which takes the longest processing time in the route search processing once in one dispatched vehicle selection. Calculation time is greatly reduced,
Further, since only the map data near the vehicle allocation destination is read, the main storage device does not require a large size.

(Embodiment 2) FIG. 4 is a block diagram showing a configuration of a vehicle allocation management apparatus according to Embodiment 2 of the present invention. In FIG. , A transmission antenna 4 and is mounted on a plurality of vehicle allocation candidate vehicles. 6 is a receiving antenna, 7 is a wireless receiving device, 8 is a central processing unit, 9 is a display device,
Reference numeral 10 denotes a map database, 11 denotes a main storage device, 13 denotes a traffic information receiving device, and these constitute a center device 14. Vehicle position information of the own vehicle is transmitted from the on-vehicle device 1 mounted on each vehicle, and the transmitted vehicle position information is received by the center device 14, and the current position of each vehicle is managed.

In the present embodiment, a traffic information receiving device 13 is added to the configuration of the first embodiment. By using the traffic information provided from this device, a temporary suspension of roads and This can be reflected in the result of the search, and more accurate vehicle allocation can be selected. In addition,
The other parts are the same as those in the first embodiment, and a description thereof will be omitted.

As described above, according to the present embodiment, since traffic information is used in addition to the first embodiment, a temporary suspension of traffic or traffic congestion can be reflected in the result of the route search. It is possible to select a dispatched vehicle with high accuracy.

In each of the above-described embodiments, the setting for observing or not observing traffic regulations when performing a route search,
By switching the setting such as to use or avoid toll roads, it is possible to select a dispatch vehicle suitable for the type of business or business type such as emergency / normal time.

[0018]

As described above, according to the present invention, it is only necessary to read the map data that takes the longest processing time in the route search processing once in one dispatched vehicle selection. Since the calculation time is greatly reduced and only the map data near the dispatch destination is read, the advantageous effect that the main storage device does not require a large size can be obtained.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of a vehicle allocation management device according to a first embodiment of the present invention.

FIG. 2 is an explanatory diagram of a reading range of map data according to the first embodiment of the vehicle allocation management device of the present invention.

FIG. 3 is a flowchart showing a vehicle allocation processing flow in Embodiment 1 of the vehicle allocation management device of the present invention.

FIG. 4 is a block diagram illustrating a configuration of a vehicle allocation management device according to a second embodiment of the present invention.

FIG. 5 is a block diagram illustrating an example of a configuration of a conventional vehicle allocation management device.

FIG. 6 is a flowchart showing a vehicle allocation processing flow of a conventional vehicle allocation management device.

[Explanation of symbols]

1 ... on-vehicle device, 2 ... vehicle position detecting device, 3 ... wireless transmitting device, 4 ... transmitting antenna, 5, 12, 14 ... center device, 6 ... receiving antenna, 7 ... wireless receiving device, 8
... Central processing unit, 9 ... Display unit, 10 ... Map database, 11 ... Main storage unit, 13 ... Traffic information receiving unit.

Claims (1)

[Claims] A vehicle allocation management device that receives vehicle position information from an in-vehicle device that is mounted on a plurality of vehicles and transmits vehicle position information, and manages vehicle allocation for each of the vehicles.
A main storage device that reads map data near the destination of the vehicle allocation based on the vehicle allocation request; and executes a route search based on the read map data for a vehicle located within a read range of the map data read into the main storage device. Thus, the vehicle allocation management device is characterized in that the calculation time until the vehicle allocation is selected is shortened.